/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package packageController;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import packageBusinessLogic.LibrairieManager;
import packageModel.*;
import packageException.*;

/**
 *
 * @author pimas007
 */
public class ServletAddPanier extends HttpServlet {

    /**
     * Processes requests for both HTTP
     * <code>GET</code> and
     * <code>POST</code> methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
 
                RequestDispatcher rd = request.getRequestDispatcher("panierOk.jsp");
                rd.forward(request,response);      
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
        try
        {
            LibrairieManager b = new LibrairieManager();
            Long bookToAdd = Long.parseLong(request.getParameter("BookToAdd"));
            Integer qte  = Integer.parseInt(request.getParameter("Quantite"));
            Livre book = b.getBook(bookToAdd);
            HttpSession session = request.getSession();
            Panier p;
            
            synchronized(session)
            {
                if (session.getAttribute("panier") == null)
                {
                    p = new Panier();
                    p.addItem(book, qte);
                    session.setAttribute("panier", p);
                }
                else
                {
                    p = (Panier) session.getAttribute("panier");
                    p.addItem(book, qte);
                    session.setAttribute("panier", p);
                }
                
            }
            processRequest(request, response);
        }
        catch (ResultSetException ex)
        {
            Logger.getLogger(ServletAddPanier.class.getName()).log(Level.SEVERE, null, ex);
        }
        catch (ClassNotFoundException ex)
        {
            Logger.getLogger(ServletAddPanier.class.getName()).log(Level.SEVERE, null, ex);
        }
        catch (ConnectionDBException ex)
        {
            Logger.getLogger(ServletAddPanier.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
